You have no idea how good or bad their security is. It has been breached many times in the past, resulting in both stolen coins and stolen data.
if it's the aspect the of stolen of data or hacking of database, i will agree. Because i know that binance has been hacked before and also other exchanges, but the situation where by pressuring binance exchange to release their clients data to government or group of organisation, i think it's unethical and no platform that wants to stand firm will release their clients data.